DE3334675C2 - Videosignal-Verarbeitungsanordnung - Google Patents

Videosignal-Verarbeitungsanordnung

Info

Publication number
DE3334675C2
DE3334675C2 DE3334675A DE3334675A DE3334675C2 DE 3334675 C2 DE3334675 C2 DE 3334675C2 DE 3334675 A DE3334675 A DE 3334675A DE 3334675 A DE3334675 A DE 3334675A DE 3334675 C2 DE3334675 C2 DE 3334675C2
Authority
DE
Germany
Prior art keywords
circuit
emphasis
video signal
signal
emphasis circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE3334675A
Other languages
German (de)
English (en)
Other versions
DE3334675A1 (de
Inventor
Akira Chigasaki Kanagawa Hirota
Yutaka Yokohama Kanagawa Ichinoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Publication of DE3334675A1 publication Critical patent/DE3334675A1/de
Application granted granted Critical
Publication of DE3334675C2 publication Critical patent/DE3334675C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
DE3334675A 1982-09-25 1983-09-24 Videosignal-Verarbeitungsanordnung Expired DE3334675C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57166800A JPS5956204A (ja) 1982-09-25 1982-09-25 記録再生装置

Publications (2)

Publication Number Publication Date
DE3334675A1 DE3334675A1 (de) 1984-03-29
DE3334675C2 true DE3334675C2 (de) 1987-05-07

Family

ID=15837909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3334675A Expired DE3334675C2 (de) 1982-09-25 1983-09-24 Videosignal-Verarbeitungsanordnung

Country Status (6)

Country Link
US (1) US4587576A (ja)
JP (1) JPS5956204A (ja)
DE (1) DE3334675C2 (ja)
FR (1) FR2533787B1 (ja)
GB (1) GB2128854B (ja)
NL (1) NL8303273A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830272A1 (de) * 1987-09-08 1989-03-16 Hitachi Ltd Verfahren und vorrichtung zur wellenformentzerrung

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030295A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 搬送色信号の記録再生装置
JPS61159876A (ja) * 1984-12-29 1986-07-19 Victor Co Of Japan Ltd 雑音除去回路
JPS6258793A (ja) * 1985-09-03 1987-03-14 Victor Co Of Japan Ltd テレビジヨン信号の同時化回路
US4750037A (en) * 1985-10-07 1988-06-07 Victor Company Of Japan, Ltd. Noise reduction system for video signal
US5737478A (en) * 1987-05-15 1998-04-07 Canon Kabushiki Kaisha Recording apparatus for recording a first and a second information signal
US5097336A (en) * 1987-09-22 1992-03-17 Canon Kabushiki Kaisha Signal processing apparatus
JPH02121574A (ja) * 1988-10-31 1990-05-09 Nippon Television Network Corp Ｔｖ垂直周波数信号の振幅特性の改善方式
JPH0445671A (ja) * 1990-06-12 1992-02-14 Sony Corp テレビジョン信号の輪郭強調回路
JPH0468923A (ja) * 1990-07-09 1992-03-04 Sony Corp ノンリニアプリエンファシス・デエンファシスシステム
US5321518A (en) * 1991-06-07 1994-06-14 Matsushita Electric Industrial Co., Ltd. Video signal recording and reproducing apparatus using an added specific signal during recording
KR20050076981A (ko) * 2004-01-26 2005-07-29 엘지전자 주식회사 엠퍼시스 회로
US7531989B2 (en) * 2005-11-02 2009-05-12 02Micro International Ltd. Battery fuel gauge circuit
US7375573B2 (en) * 2006-05-25 2008-05-20 Micron Technology, Inc. De-emphasis system and method for coupling digital signals through capacitively loaded lines
CN118300938B (zh) * 2024-06-04 2024-08-16 成都电科星拓科技有限公司 去加重电路及方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428981Y2 (ja) * 1974-06-17 1979-09-17
JPS5412714A (en) * 1977-06-29 1979-01-30 Matsushita Electric Ind Co Ltd Recorder-reproducer
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
DE2950764A1 (de) * 1979-12-17 1981-07-23 Basf Ag, 6700 Ludwigshafen Anordnung zur entzerrung eines breitbandsignals, insbesondere eines videosignals mit oder ohne farbinformation in einem signal-aufzeichnungs/wiedergabe-system
US4385326A (en) * 1980-06-26 1983-05-24 Rca Corporation Video disc systems with plural preemphasis/deemphasis networks
US4316210A (en) * 1980-08-28 1982-02-16 Rca Corporation Video signal processing apparatus
JPS57184381A (en) * 1981-05-08 1982-11-13 Canon Inc Video signal processor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3830272A1 (de) * 1987-09-08 1989-03-16 Hitachi Ltd Verfahren und vorrichtung zur wellenformentzerrung

Also Published As

Publication number Publication date
DE3334675A1 (de) 1984-03-29
NL8303273A (nl) 1984-04-16
GB2128854B (en) 1985-12-04
FR2533787B1 (fr) 1987-11-20
US4587576A (en) 1986-05-06
JPH0156591B2 (ja) 1989-11-30
FR2533787A1 (fr) 1984-03-30
GB2128854A (en) 1984-05-02
GB8325652D0 (en) 1983-10-26
JPS5956204A (ja) 1984-03-31

Similar Documents

Publication Publication Date Title
DE3211742C2 (ja)
DE3334675C2 (de) Videosignal-Verarbeitungsanordnung
DE2750173C2 (de) Anordnung zum Vermindern des Rauschens in Fernsehsignalen
DE69021982T2 (de) Vorrichtung und Verfahren zur Verwandlung digitaler Videosignale.
DE2828586C2 (de) Aufzeichnungs- und Wiedergabesystem für Videosignale
DE3439126C2 (de) Nichtlineare digitale Emphasisschaltung
DE2211798B2 (de) Störbegrenzerschaltung für Videosignale
DE3017932A1 (de) Vertikaldetailanhebungsschaltung zur verbesserung von bilddetails
DE3342762C2 (de) Videosignal-aufzeichnungs- und wiedergabegeraet
DE3404100C2 (de) Rauschreduzieranordnung für ein Videosignal
DE2757027A1 (de) Anordnung zur vergroesserung des signal- rauschverhaeltnisses fuer ein breitbandsignalsystem, insbesondere fuer ein videosignal-aufzeichnungs- und/oder wiedergabesystem
DE2822837C2 (de) Schaltung zur dynamischen Unterdrückung kleiner Wechselsignalamplituden
DE3423114A1 (de) Digitale versteilerungsschaltung mit steuerbarem versteilerungsgrad
DE3750075T2 (de) Vorrichtung zur digitalen nichtlinearen Vorverzerrung und Nachentzerrung.
DE2730131C2 (ja)
DE3879758T2 (de) Schaltung zum Reduzieren des Geräusches eines Videosignals.
DE3017930A1 (de) Videosignalschaltung zur vertikalaufloesungsbeeinflussung
DE3019431C2 (de) Signalverarbeitungsschaltung zur Erzeugung eines an ein Aufzeichnungsgerät abzugebendes Signals
DE4318057C1 (de) Schaltungsanordnung zur Verbesserung der Qualität von Videosignalen
DE3208525A1 (de) Rauschverminderungsvorrichtung
DE69027255T2 (de) Verarbeitungsgerät für Videosignale
DE3041935C2 (ja)
DE2712006B2 (de) Verfahren zur Herabsetzung von Störsignalkomponenten in mit Frequenzmodulation arbeitenden Signaliibertragungssystemen und Schaltungsanordnung zur Durchführung des Verfahrens
EP0030700B1 (de) Anordnung zur Entzerrung eines unmodulierten Breitbandsignals, insbesondere eines FBAS-Videosignals, in einem Signal-Aufzeichnungs/Wiedergabe-System
DE3786623T2 (de) Schaltung zur Verarbeitung vom Videosignal.

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee